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    routine file_syncfs (
    	file: file_t;
    	RPT
    	wait: int;
    	do_children: int);

Sync the entire filesystem.

# Usage Examples

## [[glibc]]

  * `sync`

    `file_syncfs ("/", false, true)`-- invoke it on the process' root directory
    (`INIT_PORT_CRDIR`), don't wait for completion, do synchronize child
    filesystems.